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Finding the Fourth Proportional to 3,887,970.91, 5,834,559.97 and 1,613,497.39

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Solution

The fourth proportional to 3,887,970.91, 5,834,559.97 and 1,613,497.39 is: 2,421,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,970.91 : 5,834,559.97 = 1,613,497.39 : x
  2. Step 2: Convert to fraction form
    3,887,970.91/5,834,559.97 = 1,613,497.39/x
  3. Step 3: Cross multiply
    3,887,970.91x = 5,834,559.97 × 1,613,497.39
  4. Step 4: Simplify right side
    3,887,970.91x = 9,414,047,270,823.95
  5. Step 5: Solve for x
    x = 9,414,047,270,823.95/3,887,970.91
  6. Step 6: Final answer
    x = 2,421,326.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.